102 static struct tegra_dsi_state *tegra_dsi_get_state(struct tegra_dsi *dsi)  in tegra_dsi_get_state()  argument
104 	return to_dsi_state(dsi->output.connector.state);  in tegra_dsi_get_state()
107 static inline u32 tegra_dsi_readl(struct tegra_dsi *dsi, unsigned long reg)  in tegra_dsi_readl()  argument
109 	return readl(dsi->regs + (reg << 2));  in tegra_dsi_readl()
112 static inline void tegra_dsi_writel(struct tegra_dsi *dsi, u32 value,  in tegra_dsi_writel()  argument
115 	writel(value, dsi->regs + (reg << 2));  in tegra_dsi_writel()
121 	struct tegra_dsi *dsi = node->info_ent->data;  in tegra_dsi_show_regs()  local
125 		   tegra_dsi_readl(dsi, name))  in tegra_dsi_show_regs()
218 static int tegra_dsi_debugfs_init(struct tegra_dsi *dsi,  in tegra_dsi_debugfs_init()  argument
221 	const char *name = dev_name(dsi->dev);  in tegra_dsi_debugfs_init()
225 	dsi->debugfs = debugfs_create_dir(name, minor->debugfs_root);  in tegra_dsi_debugfs_init()
226 	if (!dsi->debugfs)  in tegra_dsi_debugfs_init()
229 	dsi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files),  in tegra_dsi_debugfs_init()
231 	if (!dsi->debugfs_files) {  in tegra_dsi_debugfs_init()
237 		dsi->debugfs_files[i].data = dsi;  in tegra_dsi_debugfs_init()
239 	err = drm_debugfs_create_files(dsi->debugfs_files,  in tegra_dsi_debugfs_init()
241 				       dsi->debugfs, minor);  in tegra_dsi_debugfs_init()
245 	dsi->minor = minor;  in tegra_dsi_debugfs_init()
250 	kfree(dsi->debugfs_files);  in tegra_dsi_debugfs_init()
251 	dsi->debugfs_files = NULL;  in tegra_dsi_debugfs_init()
253 	debugfs_remove(dsi->debugfs);  in tegra_dsi_debugfs_init()
254 	dsi->debugfs = NULL;  in tegra_dsi_debugfs_init()
259 static void tegra_dsi_debugfs_exit(struct tegra_dsi *dsi)  in tegra_dsi_debugfs_exit()  argument
261 	drm_debugfs_remove_files(dsi->debugfs_files, ARRAY_SIZE(debugfs_files),  in tegra_dsi_debugfs_exit()
262 				 dsi->minor);  in tegra_dsi_debugfs_exit()
263 	dsi->minor = NULL;  in tegra_dsi_debugfs_exit()
265 	kfree(dsi->debugfs_files);  in tegra_dsi_debugfs_exit()
266 	dsi->debugfs_files = NULL;  in tegra_dsi_debugfs_exit()
268 	debugfs_remove(dsi->debugfs);  in tegra_dsi_debugfs_exit()
269 	dsi->debugfs = NULL;  in tegra_dsi_debugfs_exit()
365 static void tegra_dsi_set_phy_timing(struct tegra_dsi *dsi,  in tegra_dsi_set_phy_timing()  argument
375 	tegra_dsi_writel(dsi, value, DSI_PHY_TIMING_0);  in tegra_dsi_set_phy_timing()
381 	tegra_dsi_writel(dsi, value, DSI_PHY_TIMING_1);  in tegra_dsi_set_phy_timing()
386 	tegra_dsi_writel(dsi, value, DSI_PHY_TIMING_2);  in tegra_dsi_set_phy_timing()
391 	tegra_dsi_writel(dsi, value, DSI_BTA_TIMING);  in tegra_dsi_set_phy_timing()
393 	if (dsi->slave)  in tegra_dsi_set_phy_timing()
394 		tegra_dsi_set_phy_timing(dsi->slave, period, timing);  in tegra_dsi_set_phy_timing()
451 static void tegra_dsi_ganged_enable(struct tegra_dsi *dsi, unsigned int start,  in tegra_dsi_ganged_enable()  argument
456 	tegra_dsi_writel(dsi, start, DSI_GANGED_MODE_START);  in tegra_dsi_ganged_enable()
457 	tegra_dsi_writel(dsi, size << 16 | size, DSI_GANGED_MODE_SIZE);  in tegra_dsi_ganged_enable()
460 	tegra_dsi_writel(dsi, value, DSI_GANGED_MODE_CONTROL);  in tegra_dsi_ganged_enable()
463 static void tegra_dsi_enable(struct tegra_dsi *dsi)  in tegra_dsi_enable()  argument
467 	value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL);  in tegra_dsi_enable()
469 	tegra_dsi_writel(dsi, value, DSI_POWER_CONTROL);  in tegra_dsi_enable()
471 	if (dsi->slave)  in tegra_dsi_enable()
472 		tegra_dsi_enable(dsi->slave);  in tegra_dsi_enable()
475 static unsigned int tegra_dsi_get_lanes(struct tegra_dsi *dsi)  in tegra_dsi_get_lanes()  argument
477 	if (dsi->master)  in tegra_dsi_get_lanes()
478 		return dsi->master->lanes + dsi->lanes;  in tegra_dsi_get_lanes()
480 	if (dsi->slave)  in tegra_dsi_get_lanes()
481 		return dsi->lanes + dsi->slave->lanes;  in tegra_dsi_get_lanes()
483 	return dsi->lanes;  in tegra_dsi_get_lanes()
486 static void tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe,  in tegra_dsi_configure()  argument
495 	if (dsi->master)  in tegra_dsi_configure()
496 		state = tegra_dsi_get_state(dsi->master);  in tegra_dsi_configure()
498 		state = tegra_dsi_get_state(dsi);  in tegra_dsi_configure()
503 	if (dsi->flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) {  in tegra_dsi_configure()
506 	} else if (dsi->flags & MIPI_DSI_MODE_VIDEO) {  in tegra_dsi_configure()
516 		DSI_CONTROL_LANES(dsi->lanes - 1) |  in tegra_dsi_configure()
518 	tegra_dsi_writel(dsi, value, DSI_CONTROL);  in tegra_dsi_configure()
520 	tegra_dsi_writel(dsi, dsi->video_fifo_depth, DSI_MAX_THRESHOLD);  in tegra_dsi_configure()
523 	tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);  in tegra_dsi_configure()
525 	value = tegra_dsi_readl(dsi, DSI_CONTROL);  in tegra_dsi_configure()
527 	if (dsi->flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)  in tegra_dsi_configure()
533 	if (dsi->flags & MIPI_DSI_MODE_VIDEO)  in tegra_dsi_configure()
540 	tegra_dsi_writel(dsi, value, DSI_CONTROL);  in tegra_dsi_configure()
543 		tegra_dsi_writel(dsi, pkt_seq[i], DSI_PKT_SEQ_0_LO + i);  in tegra_dsi_configure()
545 	if (dsi->flags & MIPI_DSI_MODE_VIDEO) {  in tegra_dsi_configure()
561 		tegra_dsi_writel(dsi, hsw << 16 | 0, DSI_PKT_LEN_0_1);  in tegra_dsi_configure()
562 		tegra_dsi_writel(dsi, hact << 16 | hbp, DSI_PKT_LEN_2_3);  in tegra_dsi_configure()
563 		tegra_dsi_writel(dsi, hfp, DSI_PKT_LEN_4_5);  in tegra_dsi_configure()
564 		tegra_dsi_writel(dsi, 0x0f0f << 16, DSI_PKT_LEN_6_7);  in tegra_dsi_configure()
567 		tegra_dsi_writel(dsi, 8 * mul / div, DSI_SOL_DELAY);  in tegra_dsi_configure()
573 		if (dsi->master || dsi->slave) {  in tegra_dsi_configure()
583 		tegra_dsi_writel(dsi, 0, DSI_PKT_LEN_0_1);  in tegra_dsi_configure()
584 		tegra_dsi_writel(dsi, bytes << 16, DSI_PKT_LEN_2_3);  in tegra_dsi_configure()
585 		tegra_dsi_writel(dsi, bytes << 16, DSI_PKT_LEN_4_5);  in tegra_dsi_configure()
586 		tegra_dsi_writel(dsi, 0, DSI_PKT_LEN_6_7);  in tegra_dsi_configure()
590 		tegra_dsi_writel(dsi, value, DSI_DCS_CMDS);  in tegra_dsi_configure()
593 		if (dsi->master || dsi->slave) {  in tegra_dsi_configure()
611 		tegra_dsi_writel(dsi, value, DSI_SOL_DELAY);  in tegra_dsi_configure()
614 	if (dsi->slave) {  in tegra_dsi_configure()
615 		tegra_dsi_configure(dsi->slave, pipe, mode);  in tegra_dsi_configure()
621 		tegra_dsi_ganged_enable(dsi, 0, mode->hdisplay / 2);  in tegra_dsi_configure()
622 		tegra_dsi_ganged_enable(dsi->slave, mode->hdisplay / 2,  in tegra_dsi_configure()
627 static int tegra_dsi_wait_idle(struct tegra_dsi *dsi, unsigned long timeout)  in tegra_dsi_wait_idle()  argument
634 		value = tegra_dsi_readl(dsi, DSI_STATUS);  in tegra_dsi_wait_idle()
644 static void tegra_dsi_video_disable(struct tegra_dsi *dsi)  in tegra_dsi_video_disable()  argument
648 	value = tegra_dsi_readl(dsi, DSI_CONTROL);  in tegra_dsi_video_disable()
650 	tegra_dsi_writel(dsi, value, DSI_CONTROL);  in tegra_dsi_video_disable()
652 	if (dsi->slave)  in tegra_dsi_video_disable()
653 		tegra_dsi_video_disable(dsi->slave);  in tegra_dsi_video_disable()
656 static void tegra_dsi_ganged_disable(struct tegra_dsi *dsi)  in tegra_dsi_ganged_disable()  argument
658 	tegra_dsi_writel(dsi, 0, DSI_GANGED_MODE_START);  in tegra_dsi_ganged_disable()
659 	tegra_dsi_writel(dsi, 0, DSI_GANGED_MODE_SIZE);  in tegra_dsi_ganged_disable()
660 	tegra_dsi_writel(dsi, 0, DSI_GANGED_MODE_CONTROL);  in tegra_dsi_ganged_disable()
663 static void tegra_dsi_set_timeout(struct tegra_dsi *dsi, unsigned long bclk,  in tegra_dsi_set_timeout()  argument
672 	tegra_dsi_writel(dsi, value, DSI_TIMEOUT_0);  in tegra_dsi_set_timeout()
677 	tegra_dsi_writel(dsi, value, DSI_TIMEOUT_1);  in tegra_dsi_set_timeout()
680 	tegra_dsi_writel(dsi, value, DSI_TO_TALLY);  in tegra_dsi_set_timeout()
682 	if (dsi->slave)  in tegra_dsi_set_timeout()
683 		tegra_dsi_set_timeout(dsi->slave, bclk, vrefresh);  in tegra_dsi_set_timeout()
686 static void tegra_dsi_disable(struct tegra_dsi *dsi)  in tegra_dsi_disable()  argument
690 	if (dsi->slave) {  in tegra_dsi_disable()
691 		tegra_dsi_ganged_disable(dsi->slave);  in tegra_dsi_disable()
692 		tegra_dsi_ganged_disable(dsi);  in tegra_dsi_disable()
695 	value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL);  in tegra_dsi_disable()
697 	tegra_dsi_writel(dsi, value, DSI_POWER_CONTROL);  in tegra_dsi_disable()
699 	if (dsi->slave)  in tegra_dsi_disable()
700 		tegra_dsi_disable(dsi->slave);  in tegra_dsi_disable()
705 static void tegra_dsi_soft_reset(struct tegra_dsi *dsi)  in tegra_dsi_soft_reset()  argument
709 	value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL);  in tegra_dsi_soft_reset()
711 	tegra_dsi_writel(dsi, value, DSI_POWER_CONTROL);  in tegra_dsi_soft_reset()
715 	value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL);  in tegra_dsi_soft_reset()
717 	tegra_dsi_writel(dsi, value, DSI_POWER_CONTROL);  in tegra_dsi_soft_reset()
721 	value = tegra_dsi_readl(dsi, DSI_TRIGGER);  in tegra_dsi_soft_reset()
723 		tegra_dsi_writel(dsi, 0, DSI_TRIGGER);  in tegra_dsi_soft_reset()
725 	if (dsi->slave)  in tegra_dsi_soft_reset()
726 		tegra_dsi_soft_reset(dsi->slave);  in tegra_dsi_soft_reset()
803 	struct tegra_dsi *dsi = to_dsi(output);  in tegra_dsi_encoder_mode_set()  local
807 	state = tegra_dsi_get_state(dsi);  in tegra_dsi_encoder_mode_set()
809 	tegra_dsi_set_timeout(dsi, state->bclk, state->vrefresh);  in tegra_dsi_encoder_mode_set()
815 	tegra_dsi_set_phy_timing(dsi, state->period * 8, &state->timing);  in tegra_dsi_encoder_mode_set()
820 	tegra_dsi_configure(dsi, dc->pipe, mode);  in tegra_dsi_encoder_mode_set()
830 	tegra_dsi_enable(dsi);  in tegra_dsi_encoder_mode_set()
842 	struct tegra_dsi *dsi = to_dsi(output);  in tegra_dsi_encoder_disable()  local
849 	tegra_dsi_video_disable(dsi);  in tegra_dsi_encoder_disable()
863 	err = tegra_dsi_wait_idle(dsi, 100);  in tegra_dsi_encoder_disable()
865 		dev_dbg(dsi->dev, "failed to idle DSI: %d\n", err);  in tegra_dsi_encoder_disable()
867 	tegra_dsi_soft_reset(dsi);  in tegra_dsi_encoder_disable()
872 	tegra_dsi_disable(dsi);  in tegra_dsi_encoder_disable()
885 	struct tegra_dsi *dsi = to_dsi(output);  in tegra_dsi_encoder_atomic_check()  local
892 	err = tegra_dsi_get_muldiv(dsi->format, &state->mul, &state->div);  in tegra_dsi_encoder_atomic_check()
896 	state->lanes = tegra_dsi_get_lanes(dsi);  in tegra_dsi_encoder_atomic_check()
898 	err = tegra_dsi_get_format(dsi->format, &state->format);  in tegra_dsi_encoder_atomic_check()
925 		dev_err(dsi->dev, "failed to validate D-PHY timing: %d\n", err);  in tegra_dsi_encoder_atomic_check()
948 	err = tegra_dc_state_setup_clock(dc, crtc_state, dsi->clk_parent,  in tegra_dsi_encoder_atomic_check()
967 static int tegra_dsi_pad_enable(struct tegra_dsi *dsi)  in tegra_dsi_pad_enable()  argument
972 	tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_0);  in tegra_dsi_pad_enable()
977 static int tegra_dsi_pad_calibrate(struct tegra_dsi *dsi)  in tegra_dsi_pad_calibrate()  argument
981 	tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_0);  in tegra_dsi_pad_calibrate()
982 	tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_1);  in tegra_dsi_pad_calibrate()
983 	tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_2);  in tegra_dsi_pad_calibrate()
984 	tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_3);  in tegra_dsi_pad_calibrate()
985 	tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_4);  in tegra_dsi_pad_calibrate()
988 	tegra_dsi_pad_enable(dsi);  in tegra_dsi_pad_calibrate()
993 	tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_2);  in tegra_dsi_pad_calibrate()
995 	return tegra_mipi_calibrate(dsi->mipi);  in tegra_dsi_pad_calibrate()
1001 	struct tegra_dsi *dsi = host1x_client_to_dsi(client);  in tegra_dsi_init()  local
1004 	reset_control_deassert(dsi->rst);  in tegra_dsi_init()
1006 	err = tegra_dsi_pad_calibrate(dsi);  in tegra_dsi_init()
1008 		dev_err(dsi->dev, "MIPI calibration failed: %d\n", err);  in tegra_dsi_init()
1013 	if (!dsi->master) {  in tegra_dsi_init()
1014 		dsi->output.dev = client->dev;  in tegra_dsi_init()
1016 		drm_connector_init(drm, &dsi->output.connector,  in tegra_dsi_init()
1019 		drm_connector_helper_add(&dsi->output.connector,  in tegra_dsi_init()
1021 		dsi->output.connector.dpms = DRM_MODE_DPMS_OFF;  in tegra_dsi_init()
1023 		drm_encoder_init(drm, &dsi->output.encoder,  in tegra_dsi_init()
1026 		drm_encoder_helper_add(&dsi->output.encoder,  in tegra_dsi_init()
1029 		drm_mode_connector_attach_encoder(&dsi->output.connector,  in tegra_dsi_init()
1030 						  &dsi->output.encoder);  in tegra_dsi_init()
1031 		drm_connector_register(&dsi->output.connector);  in tegra_dsi_init()
1033 		err = tegra_output_init(drm, &dsi->output);  in tegra_dsi_init()
1041 		dsi->output.encoder.possible_crtcs = 0x3;  in tegra_dsi_init()
1045 		err = tegra_dsi_debugfs_init(dsi, drm->primary);  in tegra_dsi_init()
1047 			dev_err(dsi->dev, "debugfs setup failed: %d\n", err);  in tegra_dsi_init()
1053 	reset_control_assert(dsi->rst);  in tegra_dsi_init()
1059 	struct tegra_dsi *dsi = host1x_client_to_dsi(client);  in tegra_dsi_exit()  local
1061 	tegra_output_exit(&dsi->output);  in tegra_dsi_exit()
1064 		tegra_dsi_debugfs_exit(dsi);  in tegra_dsi_exit()
1066 	reset_control_assert(dsi->rst);  in tegra_dsi_exit()
1076 static int tegra_dsi_setup_clocks(struct tegra_dsi *dsi)  in tegra_dsi_setup_clocks()  argument
1081 	parent = clk_get_parent(dsi->clk);  in tegra_dsi_setup_clocks()
1085 	err = clk_set_parent(parent, dsi->clk_parent);  in tegra_dsi_setup_clocks()
1111 static ssize_t tegra_dsi_read_response(struct tegra_dsi *dsi,  in tegra_dsi_read_response()  argument
1122 	value = tegra_dsi_readl(dsi, DSI_RD_DATA);  in tegra_dsi_read_response()
1127 		dev_dbg(dsi->dev, "Acknowledge and error report: %04x\n",  in tegra_dsi_read_response()
1131 				dev_dbg(dsi->dev, "  %2u: %s\n", i,  in tegra_dsi_read_response()
1155 		dev_err(dsi->dev, "unhandled response type: %02x\n",  in tegra_dsi_read_response()
1166 			value = tegra_dsi_readl(dsi, DSI_RD_DATA);  in tegra_dsi_read_response()
1176 static int tegra_dsi_transmit(struct tegra_dsi *dsi, unsigned long timeout)  in tegra_dsi_transmit()  argument
1178 	tegra_dsi_writel(dsi, DSI_TRIGGER_HOST, DSI_TRIGGER);  in tegra_dsi_transmit()
1183 		u32 value = tegra_dsi_readl(dsi, DSI_TRIGGER);  in tegra_dsi_transmit()
1194 static int tegra_dsi_wait_for_response(struct tegra_dsi *dsi,  in tegra_dsi_wait_for_response()  argument
1200 		u32 value = tegra_dsi_readl(dsi, DSI_STATUS);  in tegra_dsi_wait_for_response()
1213 static void tegra_dsi_writesl(struct tegra_dsi *dsi, unsigned long offset,  in tegra_dsi_writesl()  argument
1226 		tegra_dsi_writel(dsi, value, DSI_WR_DATA);  in tegra_dsi_writesl()
1233 	struct tegra_dsi *dsi = host_to_tegra(host);  in tegra_dsi_host_transfer()  local
1247 	if (packet.size > dsi->video_fifo_depth * 4)  in tegra_dsi_host_transfer()
1251 	value = tegra_dsi_readl(dsi, DSI_STATUS);  in tegra_dsi_host_transfer()
1254 		tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);  in tegra_dsi_host_transfer()
1258 	value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL);  in tegra_dsi_host_transfer()
1260 	tegra_dsi_writel(dsi, value, DSI_POWER_CONTROL);  in tegra_dsi_host_transfer()
1274 	if (packet.size > dsi->host_fifo_depth * 4)  in tegra_dsi_host_transfer()
1277 	tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);  in tegra_dsi_host_transfer()
1285 		value = tegra_dsi_readl(dsi, DSI_HOST_CONTROL);  in tegra_dsi_host_transfer()
1287 		tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);  in tegra_dsi_host_transfer()
1291 	tegra_dsi_writel(dsi, value, DSI_CONTROL);  in tegra_dsi_host_transfer()
1295 	tegra_dsi_writel(dsi, value, DSI_WR_DATA);  in tegra_dsi_host_transfer()
1299 		tegra_dsi_writesl(dsi, DSI_WR_DATA, packet.payload,  in tegra_dsi_host_transfer()
1302 	err = tegra_dsi_transmit(dsi, 250);  in tegra_dsi_host_transfer()
1308 		err = tegra_dsi_wait_for_response(dsi, 250);  in tegra_dsi_host_transfer()
1314 		value = tegra_dsi_readl(dsi, DSI_RD_DATA);  in tegra_dsi_host_transfer()
1329 			dev_err(dsi->dev, "unknown status: %08x\n", value);  in tegra_dsi_host_transfer()
1334 			err = tegra_dsi_read_response(dsi, msg, count);  in tegra_dsi_host_transfer()
1336 				dev_err(dsi->dev,  in tegra_dsi_host_transfer()
1358 static int tegra_dsi_ganged_setup(struct tegra_dsi *dsi)  in tegra_dsi_ganged_setup()  argument
1364 	parent = clk_get_parent(dsi->slave->clk);  in tegra_dsi_ganged_setup()
1368 	err = clk_set_parent(parent, dsi->clk_parent);  in tegra_dsi_ganged_setup()
1378 	struct tegra_dsi *dsi = host_to_tegra(host);  in tegra_dsi_host_attach()  local
1380 	dsi->flags = device->mode_flags;  in tegra_dsi_host_attach()
1381 	dsi->format = device->format;  in tegra_dsi_host_attach()
1382 	dsi->lanes = device->lanes;  in tegra_dsi_host_attach()
1384 	if (dsi->slave) {  in tegra_dsi_host_attach()
1387 		dev_dbg(dsi->dev, "attaching dual-channel device %s\n",  in tegra_dsi_host_attach()
1390 		err = tegra_dsi_ganged_setup(dsi);  in tegra_dsi_host_attach()
1392 			dev_err(dsi->dev, "failed to set up ganged mode: %d\n",  in tegra_dsi_host_attach()
1402 	if (!dsi->master) {  in tegra_dsi_host_attach()
1403 		struct tegra_output *output = &dsi->output;  in tegra_dsi_host_attach()
1418 	struct tegra_dsi *dsi = host_to_tegra(host);  in tegra_dsi_host_detach()  local
1419 	struct tegra_output *output = &dsi->output;  in tegra_dsi_host_detach()
1437 static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi)  in tegra_dsi_ganged_probe()  argument
1441 	np = of_parse_phandle(dsi->dev->of_node, "nvidia,ganged-mode", 0);  in tegra_dsi_ganged_probe()
1445 		dsi->slave = platform_get_drvdata(gangster);  in tegra_dsi_ganged_probe()
1448 		if (!dsi->slave)  in tegra_dsi_ganged_probe()
1451 		dsi->slave->master = dsi;  in tegra_dsi_ganged_probe()
1459 	struct tegra_dsi *dsi;  in tegra_dsi_probe()  local
1463 	dsi = devm_kzalloc(&pdev->dev, sizeof(*dsi), GFP_KERNEL);  in tegra_dsi_probe()
1464 	if (!dsi)  in tegra_dsi_probe()
1467 	dsi->output.dev = dsi->dev = &pdev->dev;  in tegra_dsi_probe()
1468 	dsi->video_fifo_depth = 1920;  in tegra_dsi_probe()
1469 	dsi->host_fifo_depth = 64;  in tegra_dsi_probe()
1471 	err = tegra_dsi_ganged_probe(dsi);  in tegra_dsi_probe()
1475 	err = tegra_output_probe(&dsi->output);  in tegra_dsi_probe()
1479 	dsi->output.connector.polled = DRM_CONNECTOR_POLL_HPD;  in tegra_dsi_probe()
1486 	dsi->flags = MIPI_DSI_MODE_VIDEO;  in tegra_dsi_probe()
1487 	dsi->format = MIPI_DSI_FMT_RGB888;  in tegra_dsi_probe()
1488 	dsi->lanes = 4;  in tegra_dsi_probe()
1490 	dsi->rst = devm_reset_control_get(&pdev->dev, "dsi");  in tegra_dsi_probe()
1491 	if (IS_ERR(dsi->rst))  in tegra_dsi_probe()
1492 		return PTR_ERR(dsi->rst);  in tegra_dsi_probe()
1494 	dsi->clk = devm_clk_get(&pdev->dev, NULL);  in tegra_dsi_probe()
1495 	if (IS_ERR(dsi->clk)) {  in tegra_dsi_probe()
1497 		err = PTR_ERR(dsi->clk);  in tegra_dsi_probe()
1501 	err = clk_prepare_enable(dsi->clk);  in tegra_dsi_probe()
1507 	dsi->clk_lp = devm_clk_get(&pdev->dev, "lp");  in tegra_dsi_probe()
1508 	if (IS_ERR(dsi->clk_lp)) {  in tegra_dsi_probe()
1510 		err = PTR_ERR(dsi->clk_lp);  in tegra_dsi_probe()
1514 	err = clk_prepare_enable(dsi->clk_lp);  in tegra_dsi_probe()
1520 	dsi->clk_parent = devm_clk_get(&pdev->dev, "parent");  in tegra_dsi_probe()
1521 	if (IS_ERR(dsi->clk_parent)) {  in tegra_dsi_probe()
1523 		err = PTR_ERR(dsi->clk_parent);  in tegra_dsi_probe()
1527 	dsi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi");  in tegra_dsi_probe()
1528 	if (IS_ERR(dsi->vdd)) {  in tegra_dsi_probe()
1530 		err = PTR_ERR(dsi->vdd);  in tegra_dsi_probe()
1534 	err = regulator_enable(dsi->vdd);  in tegra_dsi_probe()
1540 	err = tegra_dsi_setup_clocks(dsi);  in tegra_dsi_probe()
1547 	dsi->regs = devm_ioremap_resource(&pdev->dev, regs);  in tegra_dsi_probe()
1548 	if (IS_ERR(dsi->regs)) {  in tegra_dsi_probe()
1549 		err = PTR_ERR(dsi->regs);  in tegra_dsi_probe()
1553 	dsi->mipi = tegra_mipi_request(&pdev->dev);  in tegra_dsi_probe()
1554 	if (IS_ERR(dsi->mipi)) {  in tegra_dsi_probe()
1555 		err = PTR_ERR(dsi->mipi);  in tegra_dsi_probe()
1559 	dsi->host.ops = &tegra_dsi_host_ops;  in tegra_dsi_probe()
1560 	dsi->host.dev = &pdev->dev;  in tegra_dsi_probe()
1562 	err = mipi_dsi_host_register(&dsi->host);  in tegra_dsi_probe()
1568 	INIT_LIST_HEAD(&dsi->client.list);  in tegra_dsi_probe()
1569 	dsi->client.ops = &dsi_client_ops;  in tegra_dsi_probe()
1570 	dsi->client.dev = &pdev->dev;  in tegra_dsi_probe()
1572 	err = host1x_client_register(&dsi->client);  in tegra_dsi_probe()
1579 	platform_set_drvdata(pdev, dsi);  in tegra_dsi_probe()
1584 	mipi_dsi_host_unregister(&dsi->host);  in tegra_dsi_probe()
1586 	tegra_mipi_free(dsi->mipi);  in tegra_dsi_probe()
1588 	regulator_disable(dsi->vdd);  in tegra_dsi_probe()
1590 	clk_disable_unprepare(dsi->clk_lp);  in tegra_dsi_probe()
1592 	clk_disable_unprepare(dsi->clk);  in tegra_dsi_probe()
1594 	reset_control_assert(dsi->rst);  in tegra_dsi_probe()
1600 	struct tegra_dsi *dsi = platform_get_drvdata(pdev);  in tegra_dsi_remove()  local
1603 	err = host1x_client_unregister(&dsi->client);  in tegra_dsi_remove()
1610 	tegra_output_remove(&dsi->output);  in tegra_dsi_remove()
1612 	mipi_dsi_host_unregister(&dsi->host);  in tegra_dsi_remove()
1613 	tegra_mipi_free(dsi->mipi);  in tegra_dsi_remove()
1615 	regulator_disable(dsi->vdd);  in tegra_dsi_remove()
1616 	clk_disable_unprepare(dsi->clk_lp);  in tegra_dsi_remove()
1617 	clk_disable_unprepare(dsi->clk);  in tegra_dsi_remove()
1618 	reset_control_assert(dsi->rst);  in tegra_dsi_remove()